Enhancement - Mod/Att interaction

- New unit tests for Mod object.
- Added new constructors to Mod object for ease of use.
- Added Mod handling in Att object.
- Added more Att unit tests.

src/Record.cpp

@@ -68,6 +68,10 @@ void Record::parse (const std::string& input)
 {
   if (input[0] == '[' && input[input.length () - 1] == ']')
   {
+
+
+
+
     throw std::string ("unimplemented Record:parse");
   }
   else